Use a static for the string "incomplete"

userspace/libsinsp/container_engine/docker.h

@@ -136,6 +136,8 @@ class docker
 	void parse_docker_async(sinsp *inspector, std::string &container_id, sinsp_container_manager *manager);
 
 	static std::unique_ptr<docker_async_source> g_docker_info_source;
+
+	static std::string s_incomplete_info_name;
 };
 }
 }

userspace/libsinsp/container_engine/docker_common.cpp

@@ -166,6 +166,8 @@ void docker_async_source::set_query_image_info(bool query_image_info)
 	m_query_image_info = query_image_info;
 }
 
+std::string docker::s_incomplete_info_name = "incomplete";
+
 bool docker::resolve(sinsp_container_manager* manager, sinsp_threadinfo* tinfo, bool query_os_for_missing_info)
 {
 	std::string container_id, container_name;
@@ -191,14 +193,14 @@ bool docker::resolve(sinsp_container_manager* manager, sinsp_threadinfo* tinfo,
 	{
 		// Add a minimal container_info object where only the
 		// container id, (possibly) name, and a container
-		// image=incomplete is filled in. This may be
+		// image = incomplete is filled in. This may be
 		// overidden later once parse_docker_async completes.
 		sinsp_container_info container_info;
 
 		container_info.m_type = CT_DOCKER;
 		container_info.m_id = container_id;
 		container_info.m_name = container_name;
-		container_info.m_image="incomplete";
+		container_info.m_image = s_incomplete_info_name;
 		container_info.m_metadata_complete = false;
 
 		manager->add_container(container_info, tinfo);

userspace/libsinsp/container_engine/docker_linux.cpp

@@ -171,7 +171,7 @@ bool docker::detect_docker(const sinsp_threadinfo *tinfo, std::string &container
 	if(matches_runc_cgroups(tinfo, DOCKER_CGROUP_LAYOUT, container_id))
 	{
 		// The container name is only available in windows
-		container_name = "incomplete";
+		container_name = s_incomplete_info_name;
 
 		return true;
 	}